Examples of org.xmlBlaster.util.MsgUnit

org.xmlBlaster.util.MsgUnit
Encapsulates the parsed xmlKey and QoS, and the raw content.
The constructor arguments are checked to be not null and corrected to "" or 'new byte[0]' if they are null

    * @param   oid   The message oid (key oid="...")
    * @return the MsgUnit, which is persistent.
    */
   public MsgUnit fetch(String oid) throws XmlBlasterException
   {
      MsgUnit msgUnit = null;
      String xmlKey_literal = FileLocator.readAsciiFile(path, oid + XMLKEY_TOKEN);


      byte[] content = FileLocator.readFile(path, oid);


      String xmlQos_literal = FileLocator.readAsciiFile(path, oid + XMLQOS_TOKEN);


      msgUnit = new MsgUnit(glob, xmlKey_literal, content, xmlQos_literal);


      if (log.isLoggable(Level.FINE)) log.fine("Successfully fetched message " + oid);
      if (log.isLoggable(Level.FINEST)) log.finest("Successfully fetched message\n" + msgUnit.toXml());
      return msgUnit;
   }

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            msgQosData.setTopicProperty(this.topicProperty);
            msgQosData.setAdministrative(true);
            msgQosData.touchRcvTimestamp();
            msgQosData.setPersistent(true);
            msgQosData.setSender(creatorSessionName);
            MsgUnit msgUnit = new MsgUnit(this.msgKeyData, null, msgQosData);
            this.topicEntry = new TopicEntry(serverScope, msgUnit, null);
            isNew = true;
            if (log.isLoggable(Level.FINE)) log.fine(ME+": Created persistent topicEntry '" + this.topicEntry.getUniqueId() + "'"); //: " + this.topicEntry.toXml());
         }

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      if (msgSet == null) return;
      SessionInfo publisherSessionInfo = serverScope.getRequestBroker().getInternalSessionInfo();


      Iterator it = msgSet.iterator();
      while (it.hasNext()) {
         MsgUnit msgUnit = (MsgUnit)it.next();
         try {
            requestBroker.publish(publisherSessionInfo, msgUnit);
         }
         catch (XmlBlasterException e) {
            // The access plugin or client may throw an exception. The behavior is not coded yet
            log.severe(ME+": Received exception when sending message erase event callback to client: " + e.getMessage() + ": " + msgUnit.toXml());
         }
      }
   }

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                     prop.setMaxEntries(0);
                     topicProperty.setHistoryQueueProperty(prop);
                     pq.setTopicProperty(topicProperty);
                     if (log.isLoggable(Level.FINE)) log.fine(ME+": Added TopicProperty to " + pk.getOid() + " on first publish: " + topicProperty.toXml());
                  }
                  MsgUnit msgUnit = new MsgUnit(pk, getId(), pq);
                  notifyList.add(msgUnit);
               }


            /*
               // Approach 3: Shuffle it directly into the callback queues

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         else {
            qos = "<qos/>";
         }
      }
      PublishKey pubKey = new PublishKey(this.glob, oid);
      MsgUnit msg = new MsgUnit(this.glob, pubKey.toXml(), message, qos);
      return this.con.publish(msg).toXml();
   }

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   public final void setSortTimestamp(Timestamp timestamp) {
      this.sortTimestamp = timestamp;
   }


   public final void embeddedObjectToXml(java.io.OutputStream out, java.util.Properties props) throws java.io.IOException {
      MsgUnit msgUnit = getMsgUnit();
      if (msgUnit != null)
         msgUnit.toXml(out, props);
   }

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      String fileName = "TopicEntry.ser";
      try {
         org.xmlBlaster.client.key.PublishKey publishKey = new org.xmlBlaster.client.key.PublishKey(glob, "HA");
         org.xmlBlaster.engine.qos.PublishQosServer publishQosServer = new org.xmlBlaster.engine.qos.PublishQosServer(glob, "<qos><persistent/></qos>");
         publishQosServer.getData().setPriority(PriorityEnum.HIGH_PRIORITY);
         MsgUnit msgUnit = new MsgUnit(publishKey.getData(), "HO".getBytes(), publishQosServer.getData());
         TopicEntry msgUnitWrapper = new TopicEntry(glob, msgUnit, null);
         try {
            java.io.FileOutputStream f = new java.io.FileOutputStream(fileName);
            java.io.ObjectOutputStream objStream = new java.io.ObjectOutputStream(f);
            objStream.writeObject(msgUnitWrapper);

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            byte[] content = (byte[])obj[2];
            Integer referenceCounter = (Integer)obj[3];
            Integer historyReferenceCounter = (Integer)obj[4];
            PublishQosServer publishQosServer = new PublishQosServer(glob, qos, true); // true marks from persistent store (prevents new timestamp)
            MsgKeyData msgKeyData = glob.getMsgKeyFactory().readObject(key);
            MsgUnit msgUnit = new MsgUnit(msgKeyData, content, publishQosServer.getData());
            MsgUnitWrapper msgUnitWrapper = new MsgUnitWrapper(glob, msgUnit, storageId,
                                      referenceCounter.intValue(), historyReferenceCounter.intValue(), sizeInBytes);
            msgUnitWrapper.startExpiryTimer();
            return msgUnitWrapper;
         }
         catch (Exception ex) {
            throw new XmlBlasterException(glob, ErrorCode.INTERNAL_UNKNOWN, ME, "createEntry-MsgUnitWrapper", ex);
         }
      }
      else if (ENTRY_TYPE_MSG_SERIAL.equalsIgnoreCase(type)) {  // probably unused (not found in my tests)
         try {
            ObjectInputStream objStream = new ObjectInputStream(is);
            Object[] obj = (Object[])objStream.readObject();
            if (obj.length < 3) {
               throw new XmlBlasterException(glob, ErrorCode.INTERNAL_ILLEGALARGUMENT, ME,
                         "Expected 3 entries in serialized object stream but got " + obj.length + " for priority=" + priority + " timestamp=" + timestamp);
            }
            MsgUnit msgUnit = (MsgUnit)obj[0];
            Integer referenceCounter = (Integer)obj[1];
            Integer historyReferenceCounter = (Integer)obj[2];
            msgUnit.setGlobal(glob);
            MsgUnitWrapper msgUnitWrapper = new MsgUnitWrapper(glob, msgUnit, storageId,
                             referenceCounter.intValue(), historyReferenceCounter.intValue(), sizeInBytes);
            msgUnitWrapper.startExpiryTimer();
            return msgUnitWrapper;
         }
         catch (Exception ex) {
            throw new XmlBlasterException(glob, ErrorCode.INTERNAL_UNKNOWN, ME, "createEntry-MsgUnitWrapper", ex);
         }
      }


      else if (ENTRY_TYPE_TOPIC_XML.equalsIgnoreCase(type)) { // still used
         try {
            ObjectInputStream objStream = new ObjectInputStream(is);
            Object[] obj = (Object[])objStream.readObject();
            if (obj.length < 2) {
               throw new XmlBlasterException(glob, ErrorCode.INTERNAL_ILLEGALARGUMENT, ME,
                         "Expected 2 entries in serialized object stream but got " + obj.length + " for priority=" + priority + " timestamp=" + timestamp);
            }
            String qos = (String)obj[0];
            String key = (String)obj[1];
            byte[] content = null;
            PublishQosServer publishQosServer = new PublishQosServer(glob, qos, true); // true marks from persistent store (prevents new timestamp)
            MsgKeyData msgKeyData = glob.getMsgKeyFactory().readObject(key);
            MsgUnit msgUnit = new MsgUnit(msgKeyData, content, publishQosServer.getData());
            TopicEntry topicEntry = new TopicEntry(glob, msgUnit, storageId, type, sizeInBytes);
            return topicEntry;
         }
         catch (Exception ex) {
            throw new XmlBlasterException(glob, ErrorCode.INTERNAL_UNKNOWN, ME, "createEntry-TopicEntry", ex);
         }
      }
      else if (ENTRY_TYPE_TOPIC_SERIAL.equalsIgnoreCase(type)) { // probably unused (not found in my tests)
         try {
            ObjectInputStream objStream = new ObjectInputStream(is);
            Object[] obj = (Object[])objStream.readObject();
            if (obj.length < 1) {
               throw new XmlBlasterException(glob, ErrorCode.INTERNAL_ILLEGALARGUMENT, ME,
                         "Expected 1 entry in serialized object stream but got " + obj.length + " for priority=" + priority + " timestamp=" + timestamp);
            }
            MsgUnit msgUnit = (MsgUnit)obj[0];
            msgUnit.setGlobal(glob);
            TopicEntry topicEntry = new TopicEntry(glob, msgUnit, storageId, type, sizeInBytes);
            return topicEntry;
         }
         catch (Exception ex) {
            throw new XmlBlasterException(glob, ErrorCode.INTERNAL_UNKNOWN, ME, "createEntry-TopicEntry", ex);

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         for(int ii=0; ii<numRuns; ii++) {
            for(int jj=0; jj<persistType.length; jj++) {
               PublishKey publishKey = new PublishKey(glob, "HA");
               PublishQosServer publishQosServer = new PublishQosServer(glob, "<qos><persistent/></qos>");
               publishQosServer.getData().setPriority(PriorityEnum.HIGH_PRIORITY);
               MsgUnit msgUnit = new MsgUnit(publishKey.getData(), "HO".getBytes(), publishQosServer.getData());
               StorageId storageId = new StorageId(glob, "heron", "mystore", "someid");
               MsgUnitWrapper msgUnitWrapper = new MsgUnitWrapper(glob, msgUnit, null, storageId, 0, 0, persistType[jj], -1);
               msgUnitWrapper.startExpiryTimer();
               I_EntryFactory factory = glob.getEntryFactory();

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            byte[] content = meat.getContent();
            long referenceCounter = meat.getRefCount();
            long historyReferenceCounter = meat.getRefCount2();
            PublishQosServer publishQosServer = new PublishQosServer(glob, qos, true); // true marks from persistent store (prevents new timestamp)
            MsgKeyData msgKeyData = glob.getMsgKeyFactory().readObject(key);
            MsgUnit msgUnit = new MsgUnit(msgKeyData, content, publishQosServer.getData());
            MsgUnitWrapper msgUnitWrapper = new MsgUnitWrapper(glob, msgUnit, storageId,
                                      (int)referenceCounter, (int)historyReferenceCounter, meat.getByteSize());
            msgUnitWrapper.startExpiryTimer();
            return msgUnitWrapper;
         }
         catch (Exception ex) {
            throw new XmlBlasterException(glob, ErrorCode.INTERNAL_UNKNOWN, ME, "createEntry-MsgUnitWrapper", ex);
         }
      }
      else if (ENTRY_TYPE_TOPIC_XML.equalsIgnoreCase(type)) { // still used
         try {
            String qos = meat.getQos();
            String key = meat.getKey();
            byte[] content = null;
            PublishQosServer publishQosServer = new PublishQosServer(glob, qos, true); // true marks from persistent store (prevents new timestamp)
            MsgKeyData msgKeyData = glob.getMsgKeyFactory().readObject(key);
            MsgUnit msgUnit = new MsgUnit(msgKeyData, content, publishQosServer.getData());
            TopicEntry topicEntry = new TopicEntry(glob, msgUnit, storageId, type, meat.getByteSize());
            return topicEntry;
         }
         catch (Exception ex) {
            throw new XmlBlasterException(glob, ErrorCode.INTERNAL_UNKNOWN, ME, "createEntry-TopicEntry", ex);

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